:'''''Note:''' [[Matt Heinz]] initially declared but he withdrew and endorsed Barber once the former Giffords aide entered the race.''<ref>[http://www.thehill.com/blogs/ballot-box/house-races/210163-arizona-lawmaker-who-replaced-giffords-in-state-senate-to-run-for-her-house-seat ''The Hill'' "Arizona lawmaker who replaced Giffords in state Senate to run for her House seat," February 13, 2012]</ref>

:'''''Note:''' [[Matt Heinz]] initially declared but he withdrew and endorsed Barber once the former Giffords aide entered the race.''<ref>[http://www.thehill.com/blogs/ballot-box/house-races/210163-arizona-lawmaker-who-replaced-giffords-in-state-senate-to-run-for-her-house-seat ''The Hill'' "Arizona lawmaker who replaced Giffords in state Senate to run for her House seat," February 13, 2012]</ref>